n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 1 |
4 | 2 |
5 | 4 |
6 | 7 |
7 | 10 |
8 | 15 |
9 | 20 |
10 | 27 |
11 | 34 |
12 | 44 |
13 | 53 |
14 | 66 |
15 | 78 |
16 | 94 |
17 | 109 |
18 | 129 |
19 | 147 |
20 | 171 |
21 | 193 |
22 | 221 |
23 | 247 |
24 | 280 |
25 | 310 |
26 | 348 |
27 | 383 |
28 | 426 |
29 | 466 |
30 | 515 |
31 | 560 |
32 | 615 |
33 | 666 |
34 | 727 |
35 | 784 |
36 | 852 |
37 | 915 |
38 | 990 |
39 | 1060 |
40 | 1142 |
41 | 1219 |
42 | 1309 |
43 | 1393 |
44 | 1491 |
45 | 1583 |
46 | 1689 |
47 | 1789 |
48 | 1904 |
49 | 2012 |
50 | 2136 |
51 | 2253 |
52 | 2386 |
53 | 2512 |
[0,0,1,2,4,7,10,15,20,27,34,44,53,66,78,94,109, 129,147,171,193,221,247,280,310,348,383,426,466, 515,560,615,666,727,784,852,915,990,1060,1142, 1219,1309,1393,1491,1583,1689,1789,1904,2012,2136, 2253,2386,2512] |